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Table 1 Clinical and respiratory characteristics of the patients at the study entry

From: Respiratory effects of different recruitment maneuvers in acute respiratory distress syndrome

RM ordera Age, years Gender Height, cm PBW, kg Cause of ARDS SAPS II Delay, hours VT, mL RR, rpm LIP, cm H2O UIP, cm H2O Loss of lung aerationb Outcomec
A 59 Male 185 90 Sepsis 48 12 480 25 12 35 Focal D
A 63 Male 175 70 Aspiration 62 12 490 22 13 44 Focal S
B 78 Male 178 85 Pneumonia 51 24 440 24 12 - Focal S
A 74 Male 180 90 Abdominal sepsis 78 24 450 20 13 - Focal D
B 38 Male 182 80 Pneumonia 24 12 470 22 9 45 Diffuse S
B 68 Male 170 72 Pneumonia 80 24 400 24 12 42 Diffuse D
A 38 Male 188 85 Aspiration 60 12 500 25 12 - Diffuse D
B 49 Male 180 80 Pneumonia 33 24 450 21 12 48 Patchy S
B 28 Male 195 75 Polytrauma 40 24 533 27 12 49 Diffuse S
A 63 Male 180 82 Aspiration 78 12 450 20 9 46 Diffuse S
B 57 Male 175 78 Aspiration 22 12 430 20 13 - Diffuse S
A 75 Female 163 52 Abdominal sepsis 76 48 340 18 15 40 Diffuse D
A 76 Male 180 88 Pneumonia 68 48 450 20 7 40 Diffuse S
B 80 Female 160 48 Pneumonia 58 12 310 26 13 40 Diffuse D
A 58 Male 185 90 Pneumonia 38 72 480 27 9 39 Patchy S
B 71 Male 178 80 Abdominal sepsis 55 48 440 21 8 - Focal S
B 52 Male 180 80 Sepsis 48 24 450 20 7 36 Diffuse S
A 54 Male 175 85 Abdominal sepsis 38 36 430 22 15 - Focal S
A 43 Male 185 95 Pneumonia 12 24 480 25 9 34 Diffuse S
  1. aOrder of application of the two recruitment maneuvers: A for extended Sigh, B for continuous positive airway pressure.
  2. bDiffuse, diffuse loss of aeration; Focal, focal loss of aeration; Patchy, patchy loss of aeration.
  3. cD, deceased; S, survived.
  4. ARDS, acute respiratory distress syndrome; Aspiration, aspiration pneumonia; Delay, delay between the diagnosis of acute respiratory distress syndrome and inclusion in the study; LIP, lower inflection point on the pressure-volume curve; PBW, predicted body weight; rpm, respirations per minute; RR, respiratory rate; SAPS, simplified acute physiologic score (evaluated at the beginning of the study); UIP, upper inflection point on the pressure-volume curve; VT, tidal volume.